CN215647379U - Miniature speaker test tool that gives sound insulation - Google Patents
Miniature speaker test tool that gives sound insulation Download PDFInfo
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- CN215647379U CN215647379U CN202121446504.8U CN202121446504U CN215647379U CN 215647379 U CN215647379 U CN 215647379U CN 202121446504 U CN202121446504 U CN 202121446504U CN 215647379 U CN215647379 U CN 215647379U
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Abstract
The utility model discloses a sound insulation jig for testing a micro loudspeaker, which comprises a bottom plate, wherein a positioning table is arranged on the bottom plate, a vertical fixed plate is also arranged on the bottom plate, a movable plate which can move along the vertical direction is arranged on the fixed plate, the sound insulation jig also comprises a plurality of partition plates, the fixed plate and the plurality of partition plates are sequentially connected end to form an annular part, one end of the annular part, which is close to the bottom plate, is abutted against the bottom plate, the positioning table is positioned in a space formed by the annular part, and the sound insulation jig also comprises a switching plate, and the switching plate covers an opening at one end of the annular part, which is far away from the bottom plate. The miniature loudspeaker test sound insulation jig provided by the utility model isolates noise in the surrounding environment through the closed space surrounded by the annular part, the adapter plate and the base, prevents the noise generated when the automatic test equipment operates from influencing the result of the miniature loudspeaker performance test, and improves the accuracy of the result of the miniature loudspeaker performance test.
Description
Technical Field
The utility model relates to the technical field of jigs, in particular to a sound insulation jig for testing a micro loudspeaker.
Background
In the research and development and production processes of the micro-speaker, the acoustic performance test of a sample of the micro-speaker is an essential link. The existing micro loudspeaker production line can adopt automatic test equipment to carry out performance test on a micro loudspeaker in order to improve productivity, and noise can be generated inevitably in the operation process of the automatic test equipment, such as exhaust sound of an air valve, friction sound of a displacement mechanism and the like, the noise can influence the accuracy of the acoustic performance test of the micro loudspeaker, particularly the low-frequency performance of the micro loudspeaker, is not beneficial to obtaining the accuracy of a sample of the micro loudspeaker, and hinders the research and development and production of the follow-up micro loudspeaker.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a miniature speaker test tool that gives sound insulation that can avoid receiving the influence of the noise that test equipment operation produced in the miniature speaker test process.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a tool that gives sound insulation for testing of micro loudspeaker, includes the bottom plate, be equipped with the location platform on the bottom plate, still be equipped with vertical fixed plate on the bottom plate, be equipped with on the fixed plate along the mobilizable fly leaf of vertical direction, still include a plurality of baffles, fixed plate and a plurality of the baffle is consecutive end to end and is enclosed into annular portion, the annular portion is close to the one end of bottom plate with the bottom plate supports and holds, just the location platform is located in the space that annular portion encloses, still includes the keysets, the keysets covers the annular portion is kept away from the opening part of the one end of bottom plate.
Furthermore, the number of the partition plates is three, and the fixed plate and the three partition plates enclose a rectangle.
Furthermore, a plurality of mounting holes are formed in the adapter plate, and threaded holes matched with the mounting holes are formed in the movable plate and the partition plate respectively.
Furthermore, the opposite ends of the movable plate are respectively provided with a first positioning hole, and the partition plate is provided with a second positioning hole matched with the first positioning hole.
Furthermore, the side of the movable plate close to the bottom plate and the side of the partition plate close to the bottom plate are respectively provided with a soundproof cotton layer.
Furthermore, the partition plate is made of plastic.
Furthermore, the material of keysets is plastics.
Furthermore, the fixing plate is made of metal.
Furthermore, the movable plate is made of metal.
Furthermore, the movable plate lifting device further comprises a driving piece, and the driving piece drives the movable plate to lift on the fixed plate.
The utility model has the beneficial effects that: the sound insulation jig for testing the micro loudspeaker, provided by the utility model, forms an annular part by enclosing the movable plate and the plurality of partition plates, drives the annular part to lift on the base by moving the movable plate in the vertical direction, and the end, away from the base, of the annular part is provided with the adapter plate to seal the annular part, so that when the movable plate drives the annular part to abut against the base and accommodates the positioning table for positioning the micro loudspeaker, noise in the surrounding environment is isolated by the enclosed space enclosed by the annular part, the adapter plate and the base, noise generated when automatic testing equipment operates is prevented from influencing the result of the performance test of the micro loudspeaker, and the accuracy of the result of the performance test of the micro loudspeaker is improved.
Drawings
FIG. 1 is a schematic structural view of a micro-speaker testing sound insulation fixture according to the present invention;
FIG. 2 is a partial cross-sectional view of a micro-speaker testing and sound insulation fixture according to the present invention;
fig. 3 is an exploded view of a micro-speaker testing sound insulation fixture according to an embodiment of the present invention.
Description of reference numerals:
1. a base plate; 2. a positioning table; 3. a fixing plate; 4. a movable plate; 41. a first positioning hole; 5. a partition plate; 51. a second positioning hole; 52. a threaded hole; 6. an adapter plate; 61. and (7) installing holes.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a micro speaker test sound insulation jig includes a bottom plate 1, a positioning table 2 is disposed on the bottom plate 1, a vertical fixing plate 3 is further disposed on the bottom plate 1, a movable plate 4 movable in a vertical direction is disposed on the fixing plate 3, the micro speaker test sound insulation jig further includes a plurality of partition plates 5, the fixing plate 3 and the plurality of partition plates 5 are sequentially connected end to define an annular portion, one end of the annular portion close to the bottom plate 1 abuts against the bottom plate 1, the positioning table 2 is located in a space defined by the annular portion, the micro speaker test sound insulation jig further includes a transfer plate 6, and the transfer plate 6 covers an opening of one end of the annular portion far away from the bottom plate 1.
From the above description, the beneficial effects of the present invention are: the miniature loudspeaker test sound insulation jig provided by the utility model isolates noise in the surrounding environment through the closed space surrounded by the annular part, the adapter plate 6 and the base, prevents the noise generated when automatic test equipment operates from influencing the result of the miniature loudspeaker performance test, and improves the accuracy of the result of the miniature loudspeaker performance test.
Furthermore, the number of the partition plates 5 is three, and the fixed plate 3 and the three partition plates 5 enclose a rectangle.
As can be seen from the above description, the three partition plates 5 and the fixing plate 3 are formed into a rectangular shape to ensure a space enough to accommodate the positioning table 2 and the micro-speaker to be tested.
Further, a plurality of mounting holes 61 are formed in the adapter plate 6, and threaded holes 52 matched with the mounting holes 61 are respectively formed in the movable plate 4 and the partition plate 5.
As can be seen from the above description, the movable plate 4 and the partition plate 5 are respectively connected to the adapter plate 6 through the matching of the mounting holes 61 and the threaded holes 52, so as to ensure that the movable plate 4, the partition plate 5 and the adapter plate 6 are tightly connected, and prevent noise in the environment from entering the inner space of the annular portion from the gap between the annular portion and the adapter plate 6.
Further, the opposite ends of the movable plate 4 are respectively provided with a first positioning hole 41, and the partition plate 5 is provided with a second positioning hole 51 matched with the first positioning hole 41.
As can be seen from the above description, the movable plate 4 and the partition plate 5 are connected by the first positioning hole 41 and the second positioning hole 51, so that the annular portion is structurally stable and a gap between the movable plate 4 and the partition plate 5 is prevented.
Furthermore, one side of the movable plate 4 close to the bottom plate 1 and one side of the partition plate 5 close to the bottom plate 1 are respectively provided with a soundproof cotton layer.
As can be known from the above description, the soundproof cotton layer is arranged on the side, close to the bottom plate 1, of the annular part, so that the soundproof effect of the annular part can be enhanced, and the damage of the miniature loudspeaker test soundproof jig caused by the collision between the annular part and the bottom plate 1 can be prevented in the lifting process of the annular part.
Furthermore, the partition board 5 is made of plastic.
Further, the material of the adapter plate 6 is plastic.
Further, the fixing plate 3 is made of metal.
Further, the movable plate 4 is made of metal.
Further, the device also comprises a driving piece which drives the movable plate 4 to lift on the fixed plate 3.
It can be known from the above description that, drive the fly leaf 4 through the driving piece and go up and down to drive annular portion and keysets 6 synchronous motion to make annular portion and keysets 6 cover on the location platform 2 or to the direction removal far away from the location platform 2, improve the degree of automation of miniature speaker test sound insulation tool.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the utility model provides a miniature speaker test tool that gives sound insulation, sets up on automatic test equipment for carry out capability test's in-process with miniature speaker and external environment isolation to miniature speaker, avoid the noise in the environment to influence the accuracy of capability test result.
As shown in fig. 1 and 2, the micro speaker test sound insulation jig comprises a bottom plate 1, a positioning table 2 for positioning the micro speaker is arranged on the bottom plate 1, a vertical fixed plate 3 is further arranged on the bottom plate 1, the fixed plate 3 and the positioning table 2 are arranged at intervals, a movable plate 4 which can move along the vertical direction is arranged on the fixed plate 3, the micro speaker test sound insulation jig further comprises a plurality of partition plates 5, the partition plates 5 and the movable plate 4 are sequentially connected end to define an annular portion, one end of the annular portion abuts against the bottom plate 1 when the micro speaker test sound insulation jig is in a closed state, the positioning table 2 is located in a space defined by the annular portion, an adapter plate 6 is further arranged at one end of the annular portion, which is far away from the bottom plate 1, and the adapter plate 6 covers an opening of the annular portion to form a cover body, the positioning table 2 is accommodated in a closed space formed by the cover body and the bottom plate 1, so that noise in the environment is isolated, and the noise generated when the automatic test equipment operates is prevented from influencing the accuracy of the test result.
Specifically, the number of the partition plates 5 is three, the three partition plates 5 and the movable plate 4 enclose a rectangle and enclose the positioning table 2 in the annular portion, and the movable plate 4 is lowered relative to the fixed plate 3 to enable the cover body to be covered on the positioning table 2 to isolate the micro-speaker on the positioning table 2 from the outside for testing, or the movable plate 4 is raised relative to the fixed plate 3 to enable the cover body to be away from the positioning table 2 to remove the tested micro-speaker from the positioning table 2. And the miniature loudspeaker test sound insulation jig also comprises a driving piece for driving the movable plate 4 to lift relative to the fixed plate 3, so that the movable plate 4 can automatically move, and the miniature loudspeaker test sound insulation jig is matched with automatic test equipment.
Preferably, the movable plate 4 is close to one side of the bottom plate 1 and the partition plate 5 is close to one side of the bottom plate 1, and soundproof cotton layers are respectively arranged on the sides of the cover body and the bottom plate 1, when the cover body abuts against the bottom plate 1, the soundproof cotton layers are compressed to prevent noise from entering the cover body from a gap between the cover body and the bottom plate 1, meanwhile, impact of the cover body on the bottom plate 1 is reduced, the cover body or the bottom plate 1 is prevented from being sealed after being deformed, and therefore the service life of the miniature loudspeaker testing soundproof jig is prolonged.
As shown in fig. 3, in order to stabilize the structure of the cover body, a plurality of mounting holes 61 are formed in the adapter plate 6, threaded holes 52 matched with the mounting holes 61 are respectively formed in the movable plate 4 and the partition plate 5, and the adapter plate 6 is fixedly connected with the movable plate 4 or the partition plate 5 through a threaded connector so as to fix the movable plate 4 or the partition plate 5 with the adapter plate 6, and at the same time, the movable plate 4 or the partition plate 5 is tightly connected with the adapter plate 6.
Specifically, the two opposite ends of the movable plate 4 are provided with first positioning holes 41, the partition plate 5 is provided with second positioning holes 51 matched with the first positioning holes 41, the movable plate 4 and the partition plate 5 are respectively matched and positioned with the first positioning holes 41 and the second positioning holes 51 through pins, and part of the partition plate 5 is also provided with the first positioning holes 41, so that the two adjacent partition plates 5 are positioned through the pins, the cover body keeps a stable shape, and a gap is prevented from being formed between the movable plate 4 and the partition plate 5 or between the two adjacent partition plates 5, so that noise in the environment is prevented from entering the cover body from the gap in the cover body to influence the normal performance test of the micro-speaker.
Optionally, the movable plate 4 and the fixed plate 3 are made of metal, so that the movable plate 4 and the fixed plate 3 are more wear-resistant, the partition plate 5 and the adapter plate 6 are made of plastic materials to reduce the weight of the cover body, so that the cover body acts more rapidly, and meanwhile, the micro-speaker test sound insulation jig has a good sound insulation effect, and the reliability of the test result of the automatic test equipment is improved.
Example two
Referring to fig. 1 and 2, the second embodiment of the present invention provides another technical solution for the structure of the annular portion on the basis of the first embodiment, which is different from the first embodiment only in the structure of the annular portion.
As shown in fig. 1, in this embodiment, the number of the partition boards 5 is three, three partition boards 5 and the movable board 4 are sequentially connected end to form a rectangle, wherein end surfaces of two ends of the two partition boards 5 are respectively abutted against the movable board 4 and the other partition board 5, and the end surfaces of two ends of the two partition boards 5 are respectively provided with an adhesive layer to connect the two adjacent partition boards 5 or the adjacent partition boards 5 with the movable board 4, so as to connect the three partition boards 5 and the movable board 4 into a whole to form the annular portion, thereby facilitating the assembly of the micro-speaker testing sound insulation fixture.
In summary, the sound insulation jig for testing the micro-speaker provided by the utility model drives the cover body to move on the bottom plate through the movable plate capable of lifting on the fixed plate, and when the cover body and the bottom plate are closed, a closed space for accommodating a positioning table for positioning the micro-speaker is enclosed, so that the micro-speaker to be tested is isolated from the outside, the test result is prevented from being influenced by noise in the environment, and the reliability of the test result is further improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a miniature speaker test tool that gives sound insulation, includes the bottom plate, be equipped with location platform on the bottom plate, its characterized in that: the bottom plate is further provided with a vertical fixed plate, the fixed plate is provided with a movable plate which is movable along the vertical direction, the movable plate further comprises a plurality of partition plates, the fixed plate and the plurality of partition plates are sequentially connected end to form an annular portion, the annular portion is close to one end of the bottom plate and is abutted to the bottom plate, the positioning table is located in a space formed by the annular portion, the positioning table further comprises a switching plate, and the switching plate covers an opening of one end of the bottom plate, away from the annular portion.
2. The micro-speaker test sound insulation jig according to claim 1, wherein: the number of the partition plates is three, and the fixed plate and the three partition plates are enclosed to form a rectangle.
3. The micro-speaker test sound insulation jig according to claim 1, wherein: the adapter plate is provided with a plurality of mounting holes, and the movable plate and the partition plate are respectively provided with threaded holes matched with the mounting holes.
4. The micro-speaker test sound insulation jig according to claim 1, wherein: the opposite two ends of the movable plate are respectively provided with a first positioning hole, and the partition plate is provided with a second positioning hole matched with the first positioning hole.
5. The micro-speaker test sound insulation jig according to claim 1, wherein: one side of the movable plate close to the bottom plate and one side of the partition plate close to the bottom plate are respectively provided with a soundproof cotton layer.
6. The micro-speaker test sound insulation jig according to claim 1, wherein: the partition plate is made of plastic.
7. The micro-speaker test sound insulation jig according to claim 1, wherein: the adapter plate is made of plastic.
8. The micro-speaker test sound insulation jig according to claim 1, wherein: the fixing plate is made of metal.
9. The micro-speaker test sound insulation jig according to claim 1, wherein: the movable plate is made of metal.
10. The micro-speaker test sound insulation jig according to claim 1, wherein: the movable plate is driven to lift on the fixed plate by the driving piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121446504.8U CN215647379U (en) | 2021-06-28 | 2021-06-28 | Miniature speaker test tool that gives sound insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121446504.8U CN215647379U (en) | 2021-06-28 | 2021-06-28 | Miniature speaker test tool that gives sound insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215647379U true CN215647379U (en) | 2022-01-25 |
Family
ID=79946193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121446504.8U Active CN215647379U (en) | 2021-06-28 | 2021-06-28 | Miniature speaker test tool that gives sound insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215647379U (en) |
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2021
- 2021-06-28 CN CN202121446504.8U patent/CN215647379U/en active Active
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